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we have an event A vs we have an event B

These two phrases are not directly comparable as they refer to different events (event a and event b). Both phrases are grammatically correct depending on the context in which they are used.

Last updated: March 21, 2024

we have an event A

This phrase is correct and can be used when referring to a specific event labeled as 'a'.

This phrase is used to inform someone that there is an event labeled as 'a' that we have. It is specific and clear in its communication.
  • Thus, we have an event A for a random experiment whose occurrence or non- occurrence we cannot observe directly. Suppose now that we have n tests.
  • Feb 10, 2015 ... Suppose that we have an event A. There is an important random variable IA associated with. A, called an indicator variable for A: IA(x) ={ 1 if x ...
  • Note that if we have an event A = { w, -w } with {w} ∈ F, its extended frequency probability is equal to zero although by conditions on F, the event A does not ...
  • When we have an event A in a random process with event space E, we have used the notation Pr(A) for the probability of A. As the examples above show, we  ...

we have an event B

This phrase is correct and can be used when referring to a specific event labeled as 'b'.

This phrase is used to inform someone that there is an event labeled as 'b' that we have. It is specific and clear in its communication.
  • The probability of complement of an event must be unity minus the probability of the event. For example we have an event B, and then its complement is not B. It ...
  • Let us suppose that we have an event B and A 1 , A 2 , … , A k are the partitions then, event B is the union of these partitions such that: B = ( B ∩ A 1 ) ∪ ( B ∩ A  ...
  • state space then S should reach the corresponding state in the concrete state space. Assume we have an Event-B model M with variables v, initialisation initia-.
  • Let us assume that we have an Event B specification C1 that is refined by the composition of grid refinement machine C2 and its referenced grid service machine ...

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